Denon AVRS910W-R Refurbished 7.2-Channel Full 4K Ultra HD AV Receiver with Bluetooth & Wi-Fi 7.2 channel AV Receiver with 90W. per channel 3D and 4K Ultra HD/60Hz full rate pass-through with 4:4:4 color resolution. 8 HDMI inputs (incl. 1 front) with full HDCP 2.2 support Built-in Wi-Fi and Bluetooth Dolby Atmos (5.1.2), DTS:X ready (via firmware update), Instant content: Airplay, Android push playback, Pandora, Spotify Connect, SiriusXM, DLNA 1.5 IP control capability with the HEOS Link turns any stereo system into a wireless zone (HEOS LINK sold separately)